802279279 has 2 divisors, whose sum is σ = 802279280. Its totient is φ = 802279278.

The previous prime is 802279277. The next prime is 802279301. The reversal of 802279279 is 972972208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 802279279 - 2¹ = 802279277 is a prime.

Together with 802279277, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802279273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401139639 + 401139640.

It is an arithmetic number, because the mean of its divisors is an integer number (401139640).

Almost surely, 2^802279279 is an apocalyptic number.

802279279 is a deficient number, since it is larger than the sum of its proper divisors (1).

802279279 is an equidigital number, since it uses as much as digits as its factorization.

802279279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 802279279 is about 28324.5349299861. The cubic root of 802279279 is about 929.1985537646.

The spelling of 802279279 in words is "eight hundred two million, two hundred seventy-nine thousand, two hundred seventy-nine".